Research Article
Optimization of Mechanical Properties and Surface Characteristics of PLA+ 3D Printing Materials
Table 7
ANOVA results of surface roughness (Ra).
| | Source | DF | Adj SS | Adj MS | F-value | value | Rank |
| | Regression | 4 | 2.21342 | 0.55336 | 8.83 | 0.029 | — | | Temperature (A) | 1 | 0.00814 | 0.00814 | 0.13 | 0.737 | 4 | | Speed (B) | 1 | 1.86484 | 1.86484 | 29.74 | 0.005 | 1 | | Infill density (%) (C) | 1 | 0.07752 | 0.07752 | 1.24 | 0.328 | 3 | | Infill pattern (D) | 1 | 0.26292 | 0.26292 | 4.19 | 0.110 | 2 | | Error | 4 | 0.25079 | 0.06270 | | | — | | Total | 8 | 2.46421 | | | | — |
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